package reflect;

import reflect.annotations.AutoRunClass;

import java.util.Scanner;

/**
 * 输入任意一个类，如果该类被注解@AutoRunClass标注了则实例化
 *
 * reflect.Person  ->  实例化
 * reflect.Student ->  提示该类没有被标注
 */
public class Test3 {
    public static void main(String[] args) throws Exception {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入一个类名");
        String className = scanner.nextLine();

        Class cls = Class.forName(className);
        if(cls.isAnnotationPresent(AutoRunClass.class)){
            System.out.println("实例化:"+className);
            Object obj = cls.newInstance();
            System.out.println(obj);
        }else{
            System.out.println(className+"没有被标注");
        }
    }
}
